A randomized 25 question test from a pool of 761 questions, good luck!
IPv4 addresses are expressed in four components. Which of the terms below is used to name those four components?
Subnet masks in IPv4 are used to divide an existing network. A class B network with 2 nodes, one with an IP address of 128.0.0.1 and a mask of 255.255.0.0. Which of the answers below reflects the address the other node must have for the two nodes to communicate?
The numerous tasks that are accomplished at the same time in a DCS, is a result of the configured software programs that it has . Which of the software programs below will governed by IEC-61131-3?
Which of the answers below best represents the affect of superimposed voltage or current on a signal?
Field instrument to PLC is best defined by which of the answers below?
In Modbus, data is read, and written in various memory ranges. Which of the answers below best represents the data type that a holding registers would use?
IN IPv4 both static and dynamic addressing can be used in conjunction with each other. Which of the situations below needs to be focused on when using both addressing options?
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below should have the quickest response times?
There are numerous threats to the security of a DCS. Which of the security measures below controls and supervises network traffic?
Which answer below best reflects the baud rate of a serial communication channel that transmits 3 bit symbols at a rate of 3648 bps?
There are numerous threats to the security of a DCS. Which of the security measures below would use a password on the BIOS to prevent unauthorized changes?
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below can best be described as aggressive upset conditions that would require operator intervention within an appropriate time period?
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below should comprise no more than 30% of the total configured alarms?
There are several layers in the DCS architecture. Which of the levels below would have direct control over the alarming system?
There are several different ways to let an operator know about an alarm in any HMI. Which of the answers below would best be described as a flashing alarm?
Which of the answers below best represents one of the recommended standards in regards to Instrumentation?
I to P converters are best defined as which of the following answers?
There are several common components of signal converters. Which one is best described as reduction of overall error introduced by the input and/or output signals?
Which of the messaging types below is best described as communication by sending a command, initiated by the scanner module, to all field device on the segment?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a coil to the slave device?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that can have 8, 16, or 32 output points powered by 24Vdc or 120/230 Vac?
Which of the answers below best represents the additional requirements to allow protocol conversion?
The numerous tasks that are accomplished at the same time in a DCS, is a result of the configured software programs that it has . Which of the software programs below will governed by IEC-61804-2?
All the wired network components interact with ISO layers. Which of the answers below reflects the ISO layers that the switch interacts with?
Which of the antenna below can be best described as "omnidirectional"?